(Circular) (Six-base) MAPSORT of: pFN21AE4128.seq Check: 7076 from: 1 to: 6283
pFN21AE4128 6283 bp
With 182 enzymes: SgfI *
March 28, 2012 13:35 ..
AarI CACCTGCnnnn'nnnn_
Cuts at: 2379 3019 2379
Size: 640 5643
AatII G_ACGT'C
Cuts at: 278 331 414 600 1536 4093 278
Size: 53 83 186 936 2557 2468
Fragments arranged by size:
2557 2468 936 186 83 53
AccI GT'mk_AC
Cuts at: 1937 3626 1937
Size: 1689 4594
Acc65I G'GTAC_C
Cuts at: 3604 3604
Size: 6283
AclI AA'CG_TT
Cuts at: 1563 4410 4783 1563
Size: 2847 373 3063
Fragments arranged by size:
3063 2847 373
AcuI CTGAAGnnnnnnnnnnnnnn_nn'
Cuts at: 1632 2653 4346 5730 5998 1632
Size: 1021 1693 1384 268 1917
Fragments arranged by size:
1917 1693 1384 1021 268
AflII C'TTAA_G
Cuts at: 820 1017 820
Size: 197 6086
AflIII A'CryG_T
Cuts at: 1203 5182 6159 1203
Size: 3979 977 1327
Fragments arranged by size:
3979 1327 977
AgeI A'CCGG_T
Cuts at: 5114 5114
Size: 6283
AhdI GACnn_n'nnGTC
Cuts at: 2935 5012 2935
Size: 2077 4206
AleI CACnn'nnGTG
Cuts at: 1166 1166
Size: 6283
AlfI GCAnnnnnnTGCnnnnnnnnnn_nn'
Cuts at: 1184 3041 3158 1184
Size: 1857 117 4309
Fragments arranged by size:
4309 1857 117
AlwNI CAG_nnn'CTG
Cuts at: 4026 5598 4026
Size: 1572 4711
ApaI G_GGCC'C
Cuts at: 2120 2120
Size: 6283
ApaLI G'TGCA_C
Cuts at: 4340 5496 4340
Size: 1156 5127
ApoI r'AATT_y
Cuts at: 1493 2306 3592 3818 3970 6079 1493
Size: 813 1286 226 152 2109 1697
Fragments arranged by size:
2109 1697 1286 813 226 152
AscI GG'CGCG_CC
Cuts at: 3071 3071
Size: 6283
AseI AT'TA_AT
Cuts at: 160 1032 4837 160
Size: 872 3805 1606
Fragments arranged by size:
3805 1606 872
AsiSI GCG_AT'CGC
Cuts at: 2001 2001
Size: 6283
AvaI C'yCGr_G
Cuts at: 1870 1943 2113 2218 2326 2641 2732 2828 3504
Size: 73 170 105 108 315 91 96 676
Cuts at: 3504 3608 1870
Size: 104 4545
Fragments arranged by size:
4545 676 315 170 108 105 104 96
91 73
AvrII C'CTAG_G
Cuts at: 2074 2431 3331 2074
Size: 357 900 5026
Fragments arranged by size:
5026 900 357
BamHI G'GATC_C
Cuts at: 2130 3613 3980 2130
Size: 1483 367 4433
Fragments arranged by size:
4433 1483 367
BanI G'GyrC_C
Cuts at: 618 943 1160 1787 2271 2322 2884 3286 3399
Size: 325 217 627 484 51 562 402 113
Cuts at: 3399 3604 5059 618
Size: 205 1455 1842
Fragments arranged by size:
1842 1455 627 562 484 402 325 217
205 113 51
BanII G_rGCy'C
Cuts at: 1391 2120 3602 1391
Size: 729 1482 4072
Fragments arranged by size:
4072 1482 729
BbeI G_GCGC'C
Cuts at: 2275 2888 3403 2275
Size: 613 515 5155
Fragments arranged by size:
5155 613 515
BbsI GAAGACnn'nnnn_
Cuts at: 928 1899 2389 928
Size: 971 490 4822
Fragments arranged by size:
4822 971 490
BcgI CGAnnnnnnTGCnnnnnnnnnn_nn'
Cuts at: 1903 1937 1987 2021 2986 3020 4474 4508 1903
Size: 34 50 34 965 34 1454 34 3678
Fragments arranged by size:
3678 1454 965 50 34 34 34 34
BciVI GTATCCnnnnn_n'
Cuts at: 4175 5385 4175
Size: 1210 5073
BclI T'GATC_A
Cuts at: 1548 1548
Size: 6283
BglI GCCn_nnn'nGGC
Cuts at: 136 243 365 436 1067 1672 2750 2765 2796
Size: 107 122 71 631 605 1078 15 31
Cuts at: 2796 3015 4894 136
Size: 219 1879 1525
Fragments arranged by size:
1879 1525 1078 631 605 219 122 107
71 31 15
BglII A'GATC_T
Cuts at: 2553 3535 6278 2553
Size: 982 2743 2558
Fragments arranged by size:
2743 2558 982
BlpI GC'TnA_GC
Cuts at: 2192 3461 3700 2192
Size: 1269 239 4775
Fragments arranged by size:
4775 1269 239
Bme1580I G_kGCm'C
Cuts at: 1790 2120 2225 2546 3251 4344 5500 1790
Size: 330 105 321 705 1093 1156 2573
Fragments arranged by size:
2573 1156 1093 705 330 321 105
BmgBI CAC'GTC
Cuts at: 1318 2563 3211 1318
Size: 1245 648 4390
Fragments arranged by size:
4390 1245 648
BmrI ACTGGGnnnn_n'
Cuts at: 442 858 911 994 1393 1417 2434 2883 2990
Size: 416 53 83 399 24 1017 449 107
Cuts at: 2990 3549 4014 4972 442
Size: 559 465 958 1753
Fragments arranged by size:
1753 1017 958 559 465 449 416 399
107 83 53 24
BmtI G_CTAG'C
Cuts at: 1056 1056
Size: 6283
BplI GAGnnnnnCTCnnnnnnnn_nnnnn'
Cuts at: 3125 3125
Size: 6283
BpmI CTGGAGnnnnnnnnnnnnnn_nn'
Cuts at: 1239 2495 3434 3515 4943 1239
Size: 1256 939 81 1428 2579
Fragments arranged by size:
2579 1428 1256 939 81
Bpu10I CC'TnA_GC
Cuts at: 2339 2339
Size: 6283
BpuEI CTTGAGnnnnnnnnnnnnnn_nn'
Cuts at: 3047 3095 4408 5273 5571 3047
Size: 48 1313 865 298 3759
Fragments arranged by size:
3759 1313 865 298 48
BsaI GGTCTCn'nnnn_
Cuts at: 882 1499 4946 882
Size: 617 3447 2219
Fragments arranged by size:
3447 2219 617
BsaAI yAC'GTr
Cuts at: 493 1204 2377 4074 493
Size: 711 1173 1697 2702
Fragments arranged by size:
2702 1697 1173 711
BsaBI GATnn'nnATC
Cuts at: 6277 6277
Size: 6283
BsaHI Gr'CG_yC
Cuts at: 275 328 411 597 1533 2252 2272 2824 2885
Size: 53 83 186 936 719 20 552 61
Cuts at: 2885 3400 4090 4472 5107 275
Size: 515 690 382 635 1451
Fragments arranged by size:
1451 936 719 690 635 552 515 382
186 83 61 53 20
BsaWI w'CCGG_w
Cuts at: 2046 4716 5114 5388 5535 5946 2046
Size: 2670 398 274 147 411 2383
Fragments arranged by size:
2670 2383 411 398 274 147
BsaXI ACnnnnnCTCCnnnnnnn_nnn'
Cuts at: 1178 1208 1373 1403 2540 2570 3368 3398 3512
Size: 30 165 30 1137 30 798 30 114
Cuts at: 3512 3542 1178
Size: 30 3919
Fragments arranged by size:
3919 1137 798 165 114 30 30 30
30 30
BseRI GAGGAGnnnnnnnn_nn'
Cuts at: 1186 2098 2273 3218 1186
Size: 912 175 945 4251
Fragments arranged by size:
4251 945 912 175
BseYI C'CCAG_C
Cuts at: 2230 2490 3097 3229 5486 5982 2230
Size: 260 607 132 2257 496 2531
Fragments arranged by size:
2531 2257 607 496 260 132
BsgI GTGCAGnnnnnnnnnnnnnn_nn'
Cuts at: 1163 1736 2333 2357 2585 3047 1163
Size: 573 597 24 228 462 4399
Fragments arranged by size:
4399 597 573 462 228 24
BsiEI CG_ry'CG
Cuts at: 1540 1815 2001 2320 2760 3733 4494 5522 1540
Size: 275 186 319 440 973 761 1028 2301
Fragments arranged by size:
2301 1028 973 761 440 319 275 186
BsiHKAI G_wGCw'C
Cuts at: 2090 2382 2697 4344 4429 5500 2090
Size: 292 315 1647 85 1071 2873
Fragments arranged by size:
2873 1647 1071 315 292 85
BsmI GAATG_Cn'
Cuts at: 3794 3887 3794
Size: 93 6190
BsmBI CGTCTCn'nnnn_
Cuts at: 2683 2683
Size: 6283
Bsp1286I G_dGCh'C
Cuts at: 1391 1790 2090 2120 2225 2382 2546 2697 3251
Size: 399 300 30 105 157 164 151 554
Cuts at: 3251 3602 4344 4429 5500 1391
Size: 351 742 85 1071 2174
Fragments arranged by size:
2174 1071 742 554 399 351 300 164
157 151 105 85 30
BspEI T'CCGG_A
Cuts at: 5946 5946
Size: 6283
BspHI T'CATG_A
Cuts at: 4172 5902 4172
Size: 1730 4553
BspMI ACCTGCnnnn'nnnn_
Cuts at: 844 2379 3019 3638 844
Size: 1535 640 619 3489
Fragments arranged by size:
3489 1535 640 619
BsrBI CCG'CTC
Cuts at: 1394 1823 2917 4170 1394
Size: 429 1094 1253 3507
Fragments arranged by size:
3507 1253 1094 429
BsrDI GCAATG_nn'
Cuts at: 65 1248 4778 4952 65
Size: 1183 3530 174 1396
Fragments arranged by size:
3530 1396 1183 174
BsrFI r'CCGG_y
Cuts at: 1700 1810 2319 3396 4927 5114 1700
Size: 110 509 1077 1531 187 2869
Fragments arranged by size:
2869 1531 1077 509 187 110
BsrGI T'GTAC_A
Cuts at: 96 96
Size: 6283
BssHII G'CGCG_C
Cuts at: 1925 2196 2198 2200 2210 2300 2463 2465 2579
Size: 271 2 2 10 90 163 2 114
Cuts at: 2579 2594 3071 1925
Size: 15 477 5137
Fragments arranged by size:
5137 477 271 163 114 90 15 10
2 2 2
BssSI C'ACGA_G
Cuts at: 4343 5355 4343
Size: 1012 5271
BstAPI GCAn_nnn'nTGC
Cuts at: 794 794
Size: 6283
BstBI TT'CG_AA
Cuts at: 5087 5087
Size: 6283
BstEII G'GTnAC_C
Cuts at: 1184 1184
Size: 6283
BstXI CCAn_nnnn'nTGG
Cuts at: 2689 3237 2689
Size: 548 5735
BstYI r'GATC_y
Cuts at: 1972 2130 2553 3535 3613 3980 4365 4382 5834
Size: 158 423 982 78 367 385 17 1452
Cuts at: 5834 5920 5932 6278 1972
Size: 86 12 346 1977
Fragments arranged by size:
1977 1452 982 423 385 367 346 158
86 78 17 12
Bsu36I CC'TnA_GG
Cuts at: 3319 3319
Size: 6283
BtgI C'CryG_G
Cuts at: 513 1065 2247 2631 2763 2778 3267 513
Size: 552 1182 384 132 15 489 3529
Fragments arranged by size:
3529 1182 552 489 384 132 15
BtgZI GCGATGnnnnnnnnnn'nnnn_
Cuts at: 487 1170 1226 2689 2827 487
Size: 683 56 1463 138 3943
Fragments arranged by size:
3943 1463 683 138 56
BtsI GCAGTG_nn'
Cuts at: 3799 4593 4613 3799
Size: 794 20 5469
Fragments arranged by size:
5469 794 20
ClaI AT'CG_AT
Cuts at: 1554 1554
Size: 6283
CspCI CAAnnnnnGTGGnnnnnnnnnn_nn'
Cuts at: 529 564 529
Size: 35 6248
DraI TTT'AAA
Cuts at: 3587 3587
Size: 6283
DrdI GACnn_nn'nnGTC
Cuts at: 809 1316 5290 809
Size: 507 3974 1802
Fragments arranged by size:
3974 1802 507
EaeI y'GGCC_r
Cuts at: 8 62 1487 1537 1812 1830 2365 2407 2602
Size: 54 1425 50 275 18 535 42 195
Cuts at: 2602 2757 2775 3007 3730 4619 6248 8
Size: 155 18 232 723 889 1629 43
Fragments arranged by size:
1629 1425 889 723 535 275 232 195
155 54 50 43 42 18 18
EagI C'GGCC_G
Cuts at: 1537 1812 2757 3730 1537
Size: 275 945 973 4090
Fragments arranged by size:
4090 973 945 275
EarI CTCTTCn'nnn_
Cuts at: 1353 2672 4213 1353
Size: 1319 1541 3423
Fragments arranged by size:
3423 1541 1319
EciI GGCGGAnnnnnnnnn_nn'
Cuts at: 387 1451 1589 3026 4870 5244 5390 387
Size: 1064 138 1437 1844 374 146 1280
Fragments arranged by size:
1844 1437 1280 1064 374 146 138
Eco57MI CTGrAGnnnnnnnnnnnnnn_nn'
Cuts at: 1239 1632 2495 2653 3434 3515 4346 4943 5730
Size: 393 863 158 781 81 831 597 787
Cuts at: 5730 5998 1239
Size: 268 1524
Fragments arranged by size:
1524 863 831 787 781 597 393 268
158 81
EcoNI CCTnn'n_nnAGG
Cuts at: 3017 3017
Size: 6283
EcoO109I rG'GnC_Cy
Cuts at: 2117 2428 3550 2117
Size: 311 1122 4850
Fragments arranged by size:
4850 1122 311
EcoRI G'AATT_C
Cuts at: 2306 3592 3970 2306
Size: 1286 378 4619
Fragments arranged by size:
4619 1286 378
FspI TGC'GCA
Cuts at: 3047 3428 4789 3047
Size: 381 1361 4541
Fragments arranged by size:
4541 1361 381
FspAI rTGC'GCAy
Cuts at: 3047 3047
Size: 6283
HaeII r_GCGC'y
Cuts at: 1678 2159 2275 2888 3403 5430 1678
Size: 481 116 613 515 2027 2531
Fragments arranged by size:
2531 2027 613 515 481 116
Hin4I GAynnnnnvTCnnnnnnnn_nnnnn'
Cuts at: 1373 1405 1540 1572 2540 2572 2852 2884 2921
Size: 32 135 32 968 32 280 32 37
Cuts at: 2921 2953 3464 3496 3512 3544 4924 4956 4998
Size: 32 511 32 16 32 1380 32 42
Cuts at: 4998 5030 1373
Size: 32 2626
Fragments arranged by size:
2626 1380 968 511 280 135 42 37
32 32 32 32 32 32 32 32
32 16
HincII GTy'rAC
Cuts at: 669 1657 1938 3627 3873 669
Size: 988 281 1689 246 3079
Fragments arranged by size:
3079 1689 988 281 246
HindIII A'AGCT_T
Cuts at: 748 748
Size: 6283
HpaI GTT'AAC
Cuts at: 3873 3873
Size: 6283
KasI G'GCGC_C
Cuts at: 2271 2884 3399 2271
Size: 613 515 5155
Fragments arranged by size:
5155 613 515
KpnI G_GTAC'C
Cuts at: 3608 3608
Size: 6283
MfeI C'AATT_G
Cuts at: 3882 3882
Size: 6283
MluI A'CGCG_T
Cuts at: 6159 6159
Size: 6283
MmeI TCCrACnnnnnnnnnnnnnnnnnn_nn'
Cuts at: 1305 2235 2583 3462 5397 5581 1305
Size: 930 348 879 1935 184 2007
Fragments arranged by size:
2007 1935 930 879 348 184
MscI TGG'CCA
Cuts at: 10 64 1489 1832 2367 2409 10
Size: 54 1425 343 535 42 3884
Fragments arranged by size:
3884 1425 535 343 54 42
MslI CAynn'nnrTG
Cuts at: 518 1166 2009 2687 3344 4241 4600 4759 518
Size: 648 843 678 657 897 359 159 2042
Fragments arranged by size:
2042 897 843 678 657 648 359 159
MspA1I CmG'CkG
Cuts at: 1606 2136 2191 2249 2673 2780 3194 3699 4376
Size: 530 55 58 424 107 414 505 677
Cuts at: 4376 5524 5769 1606
Size: 1148 245 2120
Fragments arranged by size:
2120 1148 677 530 505 424 414 245
107 58 55
NarI GG'CG_CC
Cuts at: 2272 2885 3400 2272
Size: 613 515 5155
Fragments arranged by size:
5155 613 515
NcoI C'CATG_G
Cuts at: 513 1065 2631 513
Size: 552 1566 4165
Fragments arranged by size:
4165 1566 552
NdeI CA'TA_TG
Cuts at: 387 387
Size: 6283
NheI G'CTAG_C
Cuts at: 1052 1052
Size: 6283
NotI GC'GGCC_GC
Cuts at: 2757 3730 2757
Size: 973 5310
NspI r_CATG'y
Cuts at: 1132 1229 3641 5186 1132
Size: 97 2412 1545 2229
Fragments arranged by size:
2412 2229 1545 97
PasI CC'CwG_GG
Cuts at: 1348 1348
Size: 6283
PciI A'CATG_T
Cuts at: 5182 5182
Size: 6283
PflMI CCAn_nnn'nTGG
Cuts at: 1108 1108
Size: 6283
PmeI GTTT'AAAC
Cuts at: 3587 3587
Size: 6283
PmlI CAC'GTG
Cuts at: 2377 2377
Size: 6283
PpiI GAACnnnnnCTCnnnnnnnn_nnnnn'
Cuts at: 4352 4384 5865 5897 4352
Size: 32 1481 32 4738
Fragments arranged by size:
4738 1481 32 32
PshAI GACnn'nnGTC
Cuts at: 1613 1613
Size: 6283
PsiI TTA'TAA
Cuts at: 3853 3853
Size: 6283
PspOMI G'GGCC_C
Cuts at: 2116 2116
Size: 6283
PspXI vC'TCGA_Gb
Cuts at: 2828 2828
Size: 6283
PsrI GAACnnnnnnTACnnnnnnn_nnnnn'
Cuts at: 2630 2662 2630
Size: 32 6251
PstI C_TGCA'G
Cuts at: 830 2244 3535 3635 830
Size: 1414 1291 100 3478
Fragments arranged by size:
3478 1414 1291 100
PvuI CG_AT'CG
Cuts at: 2001 2001
Size: 6283
PvuII CAG'CTG
Cuts at: 2191 2673 3194 2191
Size: 482 521 5280
Fragments arranged by size:
5280 521 482
SacII CC_GC'GG
Cuts at: 2250 2781 2250
Size: 531 5752
SalI G'TCGA_C
Cuts at: 1936 3625 1936
Size: 1689 4594
SapI GCTCTTCn'nnn_
Cuts at: 2672 2672
Size: 6283
SbfI CC_TGCA'GG
Cuts at: 2244 3635 2244
Size: 1391 4892
ScaI AGT'ACT
Cuts at: 2834 4531 6243 2834
Size: 1697 1712 2874
Fragments arranged by size:
2874 1712 1697
SfcI C'TryA_G
Cuts at: 826 1045 2240 3531 3631 4766 5447 5638 826
Size: 219 1195 1291 100 1135 681 191 1471
Fragments arranged by size:
1471 1291 1195 1135 681 219 191 100
SfoI GGC'GCC
Cuts at: 2273 2886 3401 2273
Size: 613 515 5155
Fragments arranged by size:
5155 613 515
SgfI GCG_AT'CGC
Cuts at: 2001 2001
Size: 6283
SgrAI Cr'CCGG_yG
Cuts at: 1700 1700
Size: 6283
SmaI CCC'GGG
Cuts at: 1872 2115 2220 2328 2643 3610 1872
Size: 243 105 108 315 967 4545
Fragments arranged by size:
4545 967 315 243 108 105
SmlI C'TyrA_G
Cuts at: 820 1017 1943 2828 3062 3110 4387 5288 5550
Size: 197 926 885 234 48 1277 901 262
Cuts at: 5550 820
Size: 1553
Fragments arranged by size:
1553 1277 926 901 885 262 234 197
48
SnaBI TAC'GTA
Cuts at: 493 4074 493
Size: 3581 2702
SpeI A'CTAG_T
Cuts at: 152 152
Size: 6283
SphI G_CATG'C
Cuts at: 1132 3641 1132
Size: 2509 3774
SspI AAT'ATT
Cuts at: 5 52 4207 5
Size: 47 4155 2081
Fragments arranged by size:
4155 2081 47
StuI AGG'CCT
Cuts at: 1517 1517
Size: 6283
StyI C'CwwG_G
Cuts at: 513 1065 2074 2431 2631 3331 3722 513
Size: 552 1009 357 200 700 391 3074
Fragments arranged by size:
3074 1009 700 552 391 357 200
TaqII GACCGAnnnnnnnnn_nn'
Cuts at: 325 1580 2162 3149 4310 4327 4480 4665 5110
Size: 1255 582 987 1161 17 153 185 445
Cuts at: 5110 325
Size: 1498
Fragments arranged by size:
1498 1255 1161 987 582 445 185 153
17
TatI w'GTAC_w
Cuts at: 96 370 450 483 534 1977 2832 4529 6241
Size: 274 80 33 51 1443 855 1697 1712
Cuts at: 6241 96
Size: 138
Fragments arranged by size:
1712 1697 1443 855 274 138 80 51
33
TstI CACnnnnnnTCCnnnnnnn_nnnnn'
Cuts at: 6243 6275 6243
Size: 32 6251
Tth111I GACn'n_nGTC
Cuts at: 1316 1316
Size: 6283
XbaI T'CTAG_A
Cuts at: 3538 3619 3538
Size: 81 6202
XcmI CCAnnnn_n'nnnnTGG
Cuts at: 3237 3237
Size: 6283
XhoI C'TCGA_G
Cuts at: 1943 2828 1943
Size: 885 5398
XmaI C'CCGG_G
Cuts at: 1870 2113 2218 2326 2641 3608 1870
Size: 243 105 108 315 967 4545
Fragments arranged by size:
4545 967 315 243 108 105
XmnI GAAnn'nnTTC
Cuts at: 4412 4412
Size: 6283
ZraI GAC'GTC
Cuts at: 276 329 412 598 1534 4091 276
Size: 53 83 186 936 2557 2468
Fragments arranged by size:
2557 2468 936 186 83 53
Enzymes that do cut:
AarI AatII AccI Acc65I AclI AcuI AflII AflIII
AgeI AhdI AleI AlfI AlwNI ApaI ApaLI ApoI
AscI AseI AsiSI AvaI AvrII BamHI BanI BanII
BbeI BbsI BcgI BciVI BclI BglI BglII BlpI
Bme1580I BmgBI BmrI BmtI BplI BpmI Bpu10I BpuEI
BsaI BsaAI BsaBI BsaHI BsaWI BsaXI BseRI BseYI
BsgI BsiEI BsiHKAI BsmI BsmBI Bsp1286I BspEI BspHI
BspMI BsrBI BsrDI BsrFI BsrGI BssHII BssSI BstAPI
BstBI BstEII BstXI BstYI Bsu36I BtgI BtgZI BtsI
ClaI CspCI DraI DrdI EaeI EagI EarI EciI
Eco57MI EcoNI EcoO109I EcoRI FspI FspAI HaeII Hin4I
HincII HindIII HpaI KasI KpnI MfeI MluI MmeI
MscI MslI MspA1I NarI NcoI NdeI NheI NotI
NspI PasI PciI PflMI PmeI PmlI PpiI PshAI
PsiI PspOMI PspXI PsrI PstI PvuI PvuII SacII
SalI SapI SbfI ScaI SfcI SfoI SgfI SgrAI
SmaI SmlI SnaBI SpeI SphI SspI StuI StyI
TaqII TatI TstI Tth111I XbaI XcmI XhoI XmaI
XmnI ZraI
Enzymes that do not cut:
AfeI AloI BaeI BbvCI BfrBI BsiWI BstZ17I DraIII
EcoICRI EcoRV FalI FseI NaeI NgoMIV NruI NsiI
PacI PfoI PpuMI RsrII SacI SanDI SexAI SfiI
SrfI SwaI